1st Edition

Reuse of Sludge and Minor Wastewater Residuals

By Alice Outwater, Berrin Tansel Copyright 1994
    192 Pages
    by CRC Press

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    Starting with sludge and scum characterization, this practical guide provides least cost methods of improving sludge quality, options for beneficial reuse, the costs of implementing those options, and case studies of sludge reuse programs around the country. From the pitfalls of site selection to pairing sludge products with their markets, this is a comprehensive resource for anyone working to establish a successful sludge reuse program. Each sludge processing option is presented in depth, including costs, operational difficulties, odor control, and application of the sludge product. The land application of liquid sludge, traditional and innovative methods of natural and mechanical dewatering, and lime stabilization processes are covered in detail. Composting options including aerated static pile composting, vermicomposting, windrow composting, and in-vessel composting are investigated. Sludge pelletizing processes and innovative technologies for sludge reuse are discussed, along with the Part 503 regulations.

    Introduction. Sludge. Improving Sludge Quality. Minor Residuals. Designing a Sludge Recycling Program. Land Application of Liquid Sludge. Sludge Dewatering. Lime Stabilized Sludge. Sludge Composting. Sludge Pelletization. Innovative Technologies for Sludge Reuse. Regulatory Limitations.


    Alice B. Out water has a B.S. in Mechanical Engineering from the University of Vermont (1983) and an M.S. in Technology and Policy from Massachusetts Institute of Technology ( 1987).She worked in residuals management for the Massachusetts Water Resources Authority, which managed the largest wastewater engineering project of the decade: the $6 billion Boston Harbor Clean-Up. As an engineer specializing in minor residuals and innovative technologies for sludge reuse, Ms. Out water was part of the team that planned and implemented the program that shifted 200 dry tons of sludge a day from ocean disposal to beneficial reuse. She has written numerous technical papers on sludge and scum reuse. This book is a practical handbook for the reuse of sludge and minor residuals.